US TRENDS IN REFRACTIVE SURGERY: 1999 ASCRS SURVEY Richard J. Duffey, MD David Leaming, MD Boston May 20, 2000

1999 SURVEY Sept. mailing to 4932 U.S. members of ASCRS 1342 responses representing 27% of the U.S. ASCRS membership Third year of refractive data collection allowing analysis and comparison of trends amongst ASCRS and ISRS U.S. surgeons RK, AK, PRK, LASIK, ICR, LTK, P-IOL, CLE, excimer lasers, microkeratomes, topography units DUFFEY 2000

> 5 CASES / MONTH DUFFEY 2000

> 25 CASES / MONTH DUFFEY 2000

> 75 CASES / MONTH DUFFEY 2000

PREFERRED SURGERY FOR 30 yo -3.00 DIOPTER MYOPE DUFFEY 2000

PREFERRED SURGERY FOR 30 yo -7.00 DIOPTER MYOPE DUFFEY 2000

PREFERRED SURGERY FOR 30 yo -12.00 DIOPTER MYOPE DUFFEY 2000

PREFERRED SURGERY FOR 45 yo +1.00 D HYPEROPE DUFFEY 2000

PREFERRED SURGERY FOR 45 yo +3.00 D HYPEROPE DUFFEY 2000

PREFERRED SURGERY FOR 45 yo +5.00 D HYPEROPE DUFFEY 2000

HAD REFRACTIVE SURGERY PERFORMED ON YOURSELF DUFFEY 2000

SURGEON WILLING TO DO BILATERAL AT SAME VISIT DUFFEY 2000

FUTURE COURSE INTEREST DUFFEY 2000

PREFERRED TOPOGRAPHY UNIT DUFFEY 2000

PREFERRED EXCIMER LASER DUFFEY 2000

PREFERRED MICROKERATOME DUFFEY 2000

’99 ASCRS SURVEY CONCLUSIONS LASIK is the refractive procedure of choice amongst ASCRS surgeons High volume refractive surgeons prefer almost exclusively LASIK over PRK Bilateral same O.R. visit surgery is accepted and standard for LASIK Great interest in procedures awaiting approv VisX Star used 3:1 over all other lasers B-L microkeratomes 2:1 over all others

We look forward to your responses in the 2000 survey this fall Thanks to ASCRS leadership for their support and for your participation in the 1999 Survey We look forward to your responses in the 2000 survey this fall